For every 3 laps that Jackie swims, Ronnie swims 4 laps. During practice, they swam a combined total of 63 laps. How many laps did Ronnie swim during practice?
Find the ratio of x to y.5x = 6y
let jackie swim 3x laps..and ronnie swin 4x laps ..
so ronnie swam 4x
that is 4 multiplied by 9 as 36 !
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